Effects of Systematic Categorization Training on Cognitive Performance in Healthy Older Adults and in Adults with Traumatic Brain Injury

Table 3

Mean (standard deviations) for CP Tests 1 and 2 and the probe tasks.

	CP Test 1		CP Test 2		Probes
	Pre	Post	Pre	Post	Probe 1	Probe 2	Probe 3
Group 1: young adults with TBI (treated) ()	59.13 (9.47)	94.26 (17.91)	29.26 (3.82)	32.46 (2.29)	22.26 (7.59)	27.8 (4.07)	29.86 (.51)
Group 2: young uninjured adults (treated) ()	70.13 (8.77)	104.21 (14.75)	31.06 (3.39)	32.93 (3.43)	29.64 (.84)	29.33 (.25)	29.78 (.57)
Group 3: older adults (treated) ()	69.0 (7.93)	84.21 (12.02)	27.07 (4.40)	28.35 (5.13)	25.78 (6.11)	29.28 (2.67)	28.57 (3.63)
Group 4: older adults untreated ()	68.50 (4.76)	67.50 (3.67)	27.28 (4.81)	28.28 (5.41)	26.71 (6.0)	28.5 (2.67)	29.28 (2.67)

Note: the maximum possible score on CP Test 1 is 120, and on CP Test 2 is 36. The total number of possible points for each probe task is 30.